1.1 --- a/src/sh4/sh4core.in	Wed Dec 02 10:03:40 2009 +1000
     1.2 +++ b/src/sh4/sh4core.in	Wed Dec 02 10:36:49 2009 +1000
     1.3 @@ -747,7 +747,11 @@
     1.4      sh4r.r[Rn] = sh4r.r[Rn] - sh4r.r[Rm] - sh4r.t;
     1.5      sh4r.t = (sh4r.r[Rn] > tmp || (sh4r.r[Rn] == tmp && sh4r.t == 1));
     1.6  :}
     1.7 -
     1.8 +SUBV Rm, Rn {:
     1.9 +    tmp = sh4r.r[Rn] - sh4r.r[Rm];
    1.10 +    sh4r.t = ( (sh4r.r[Rn]>>31) != (sh4r.r[Rm]>>31) && ((sh4r.r[Rn]>>31) != (tmp>>31)) );
    1.11 +    sh4r.r[Rn] = tmp;
    1.12 +:}
    1.13  BRAF Rn {:
    1.14       CHECKSLOTILLEGAL();
    1.15       CHECKDEST( pc + 4 + sh4r.r[Rn] );

     2.1 --- a/test/Makefile.in	Wed Dec 02 10:03:40 2009 +1000
     2.2 +++ b/test/Makefile.in	Wed Dec 02 10:36:49 2009 +1000
     2.3 @@ -96,7 +96,7 @@
     2.4  	 sh4/bf.so sh4/bsr.so sh4/bt.so sh4/cmp.so sh4/cmpstr.so \
     2.5  	 sh4/div0.so sh4/div1.so sh4/float.so sh4/fmov.so sh4/ftrc.so \
     2.6  	 sh4/ldc.so sh4/mac.so \
     2.7 -	 sh4/rot.so sh4/shl.so sh4/shld.so sh4/sub.so sh4/subc.so \
     2.8 +	 sh4/rot.so sh4/shl.so sh4/shld.so sh4/sub.so sh4/subc.so sh4/subv.so \
     2.9  	 sh4/trapa.so sh4/tas.so sh4/xtrct.so \
    2.10  	 sh4/excslot.so sh4/undef.so sh4/tlb.so sh4/vmexit.so
    2.11  	$(SH4CC) $(SH4LDFLAGS) $^ -o $@ $(SH4LIBS)

     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/test/sh4/subv.s	Wed Dec 02 10:36:49 2009 +1000
     3.3 @@ -0,0 +1,106 @@
     3.4 +.section .text
     3.5 +.include "sh4/inc.s"
     3.6 +
     3.7 +.global _test_subv
     3.8 +_test_subv:
     3.9 +	start_test
    3.10 +	mov.l r11, @-r15
    3.11 +	mov.l test_subv_data_k, r11
    3.12 +	
    3.13 +test_subv_loop:
    3.14 +	mov.l test_subv_data_end_k, r4
    3.15 +	cmp/eq r11, r4
    3.16 +	bt test_subv_end
    3.17 +	add #1, r12
    3.18 +
    3.19 +	clc
    3.20 +	mov.l @r11+, r0
    3.21 +	mov.l @r11+, r1
    3.22 +	subv r0, r1
    3.23 +	stc sr, r4
    3.24 +	mov.l @r11+, r2
    3.25 +	mov.l @r11+, r3
    3.26 +	cmp/eq r1, r2
    3.27 +	bt test_subv_b
    3.28 +	fail test_subv_str_k
    3.29 +	bra test_subv_loop
    3.30 +	nop
    3.31 +test_subv_b:
    3.32 +	ldc r4, sr
    3.33 +	xor r0, r0
    3.34 +	add #1, r0
    3.35 +	and r0, r4
    3.36 +	cmp/eq r3, r4
    3.37 +	bt test_subv_loop
    3.38 +	fail test_subv_str_k
    3.39 +	bra test_subv_loop
    3.40 +	nop
    3.41 +
    3.42 +test_subv_end:
    3.43 +	mov.l @r15+, r11
    3.44 +	end_test test_subv_str_k
    3.45 +
    3.46 +	.align 4	
    3.47 +test_subv_data_k:
    3.48 +	.long test_subv_data
    3.49 +test_subv_data:
    3.50 +test_subv_data_1:
    3.51 +	.long 0x00000000
    3.52 +	.long 0x00000000
    3.53 +	.long 0x00000000
    3.54 +	.long 0x00000000
    3.55 +
    3.56 +	.long 0x0000000F
    3.57 +	.long 0x7FFFFFFF
    3.58 +	.long 0x7FFFFFF0
    3.59 +	.long 0x00000000
    3.60 +	
    3.61 +	.long 0x0000000F
    3.62 +	.long 0xFFFFFFFF
    3.63 +	.long 0xFFFFFFF0
    3.64 +	.long 0x00000000
    3.65 +
    3.66 +	.long 0xFFFFFFF0
    3.67 +	.long 0xFFFFFFE0
    3.68 +	.long 0xFFFFFFF0
    3.69 +	.long 0x00000000
    3.70 +
    3.71 +	.long 0x00000040
    3.72 +	.long 0x00000020
    3.73 +	.long 0xFFFFFFE0
    3.74 +	.long 0x00000000
    3.75 +
    3.76 +	.long 0xFFFFFF80
    3.77 +	.long 0xFFFFFFB2
    3.78 +	.long 0x00000032
    3.79 +	.long 0x00000000
    3.80 +
    3.81 +	.long 0x00000001
    3.82 +	.long 0x80000000
    3.83 +	.long 0x7FFFFFFF
    3.84 +	.long 0x00000001
    3.85 +
    3.86 +	.long 0xFFFFFFFF
    3.87 +	.long 0x7FFFFFFF
    3.88 +	.long 0x80000000
    3.89 +	.long 0x00000001
    3.90 +
    3.91 +	.long 0x98765432
    3.92 +	.long 0x30ECA864
    3.93 +	.long 0x98765432
    3.94 +	.long 0x00000001
    3.95 +
    3.96 +	.long 0x43214321
    3.97 +	.long 0x86428642
    3.98 +	.long 0x43214321
    3.99 +	.long 0x00000001
   3.100 +	
   3.101 +test_subv_data_end:	
   3.102 +	.align 4
   3.103 +test_subv_data_end_k:
   3.104 +	.long test_subv_data_end	
   3.105 +test_subv_str_k:
   3.106 +	.long test_subv_str
   3.107 +test_subv_str:
   3.108 +	.string "SUBV"
   3.109 +	
   3.110 \ No newline at end of file

     4.1 --- a/test/sh4/testsh4.c	Wed Dec 02 10:03:40 2009 +1000
     4.2 +++ b/test/sh4/testsh4.c	Wed Dec 02 10:36:49 2009 +1000
     4.3 @@ -14,9 +14,6 @@
     4.4  
     4.5  void test_print_failure( char *testname, int number, char *message )
     4.6  {
     4.7 -    fprintf( stderr, "Fail" );
     4.8 -    fprintf( stderr, testname );
     4.9 -    
    4.10      if( message == NULL ) {
    4.11  	fprintf( stderr, "%s: Test %d failed!\n", testname, number );
    4.12      } else {
    4.13 @@ -95,6 +92,7 @@
    4.14      test_shld();
    4.15      test_sub();
    4.16      test_subc();
    4.17 +    test_subv();
    4.18      test_trapa();
    4.19      test_tas();
    4.20      test_xtrct();